CROYDON, N.H. -- When Ken Dandeneau lost thousands of dollars he had taken from a safe deposit box in January, he and his wife figured they'd never see it again. But when Ken Blanchard dug it out of a snowbank this month, he never considered keeping it. The $8,000 was for a settlement on a house, and Dandeneau had it in a zippered portfolio. He had planned to convert it into a cashier's check the next day. His wife, Susan, put it on the roof of their car, thinking he couldn't miss it. He did, of course, and it fell...